231101013 has 16 divisors (see below), whose sum is σ = 362005056. Its totient is φ = 129287040.

The previous prime is 231100979. The next prime is 231101027. The reversal of 231101013 is 310101132.

231101013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231101013 - 2⁹ = 231100501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231101013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231101083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268920 + ... + 269777.

It is an arithmetic number, because the mean of its divisors is an integer number (22625316).

Almost surely, 2^231101013 is an apocalyptic number.

It is an amenable number.

231101013 is a deficient number, since it is larger than the sum of its proper divisors (130904043).

231101013 is a wasteful number, since it uses less digits than its factorization.

231101013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538724.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 231101013 is about 15202.0068740940. The cubic root of 231101013 is about 613.6686674123.

Adding to 231101013 its reverse (310101132), we get a palindrome (541202145).

The spelling of 231101013 in words is "two hundred thirty-one million, one hundred one thousand, thirteen".